Animal Care Technician I:
Charles River Laboratories, Inc.

Charles River Laboratories, Inc.
Horsham Pennsylvania

For nearly 70 years, Charles River employees have worked together to assist in the discovery, development and safe manufacture of new drug therapies. When you join our family, you will have a significant impact on the health and well-being of people across the globe. Whether your background is in life sciences, finance, IT, sales or another area, your skills will play an important role in the work e perform. In retrn, we’ll help you build a career that you can feel passionate about.



Perform daily animal husbandry duties.


  • Clean laboratory animal rooms and laboratory animal housing according to a schedule devised by senior personnel.  Includes floor sweeping and washing, cage washing, changing of cage pans, removal of animal waste, changing and washing of water bottles and feeders, sanitizing carts, surgery tables, kick stools, water supply bottles and feed barrels.
  • Record and initial all required in relevant room/logbook records.
  • Feed and water laboratory animals, and monitor feed and water consumption of animals.
  • Change room filters and clean vents behind them.
  • For rooms monitored by temp-scribe devices, observe and report room temperature and humidity valuable outside of acceptable ranges.
  • Monitor and record chlorine level, air flow and light timer checks.
  • Receive, store and distribute supplies.  Report low inventory to supervisor.
  • May assist in handling and grooming, weighing of and receiving of animals.
  • Perform other related duties as assigned by supervisor.


  • Education:   High School diploma or General Education Degree (G.E.D) preferred.
  • Experience:  Animal handling in a veterinary or commercial or industry establishment preferred.
  • An equivalent combination of education and experience may be accepted as a satisfactory substitute for the specific education and experience listed above.
  • Certification/Licensure: LAT, ALAT, or LATG preferred.
  • Other:  Must be able to perform accurate data record keeping in compliance with GLP guidelines.  Must be able to meet core competencies of an Animal Care Technician I.




Equal Employment Opportunity

Charles River Laboratories, Inc. is an Equal Opportunity Employer M/F/Disabled/Vet

About Safety Assessment

Charles River is committed to helping our partners expedite their preclinical drug development with exceptional safety assessment services, state-of-the-art facilities and expert regulatory guidance. From individual specialty toxicology and IND enabling studies to tailored packages and total laboratory support, our deeply experienced team can design and execute programs that anticipate challenges and avoid roadblocks for a smooth, efficient journey to market.  Each year approximately 120 investigational new drug (IND) programs are conducted in our Safety Assessment facilities.

About Charles River

Charles River is an early-stage contract research organization (CRO). We have built upon our foundation of laboratory animal medicine and science to develop a diverse portfolio of discovery and safety assessment services, both Good Laboratory Practice (GLP) and non-GLP, to support clients from target identification through preclinical development. Charles River also provides a suite of products and services to support our clients’ clinical laboratory testing needs and manufacturing activities. Utilizing this broad portfolio of products and services enables our clients to create a more flexible drug development model, which reduces their costs, enhances their productivity and effectiveness to increase speed to market.

With over 11,000 employees within 70 facilities in 18 countries around the globe, we are strategically positioned to coordinate worldwide resources and apply multidisciplinary perspectives in resolving our client’s unique challenges.  Our client base includes global pharmaceutical companies, biotechnology companies, government agencies and hospitals and academic institutions around the world. And in 2016, revenue increased by 23.3% to $1.68 billion from $1.36 billion in 2015. 

At Charles River, we are passionate about our role in improving the quality of people’s lives. Our mission, our excellent science and our strong sense of purpose guide us in all that we do, and we approach each day with the knowledge that our work helps to improve the health and well-being of many across the globe. We have proudly supported the development of ~70% of the drugs approved by the FDA in 2016.

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Basic Qualifications